76 lines
1.9 KiB
Bash
Executable File
76 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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SWAPPATH=~/
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SWAPNAME="swapfile"
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TOTALRAM=$(free -m | gawk '/Mem:/{print $2}')
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VERSION="0.1.0"
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BUILDDATE="2018-06-05"
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function autoSwap(){
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echo -e "\nTotal Physical RAM is: ${TOTALRAM} MB\n"
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echo -e "\nCreating a ${TOTALRAM} MB file in:${SWAPPATH}..\n"
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echo -e "Enter to Accept | Ctrl+c to cancel\n"
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read
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echo -e "\nCreating file in ${SWAPPATH}...\n"
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sudo fallocate -l ${TOTALRAM}M ${SWAPPATH}${SWAPNAME}
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ls -lh ${SWAPPATH}${SWAPNAME}
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sleep 1
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echo -e "\nSetting permission of ${SWAPPATH}${SWAPNAME} to 600...\n"
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sudo chmod 600 ${SWAPPATH}${SWAPNAME}
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ls -lh ${SWAPPATH}${SWAPNAME}
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sleep 1
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echo -e -n "\nDo you want to mark ${SWAPPATH}${SWAPNAME} as swap?(Y/n): "
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read markswap
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if [ "${markswap}" = "n" ];then
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exit 0
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fi
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echo -e "\nMarking ${SWAPPATH}${SWAPNAME} as swap...\n\n"
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sudo mkswap ${SWAPPATH}${SWAPNAME}
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echo -e -n "\nDo you want to add swapfile to fstab?(Y/n): "
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read addfstab
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if [ "${addfstab}" = "n" ];then
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exit 0
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fi
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echo -e "\nCreating backup of /etc/fstab ...\n"
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sudo cp /etc/fstab /etc/fstab.bak
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echo -e "Adding ${SWAPPATH}${SWAPNAME} to /etc/fstab ..\n"
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echo "${SWAPPATH}${SWAPNAME} none swap sw 0 0" | sudo tee -a /etc/fstab
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}
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function help(){
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echo -e "\nUsage: $0 [-a] [--auto] [-m] [--manual] <path>\n\n"
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echo -e "-a | --auto Automatically create and size swapfile based on physical memory\n"
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echo -e "-m | --manual Manually create and size swapfile based on user input\n"
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}
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function version(){
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echo -e "Version ${VERSION}, built: ${BUILDDATE}\n"
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}
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case "${1}" in
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-a|--auto)
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autoSwap
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;;
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-v|version|--version)
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version
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;;
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*)
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help
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;;
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esac |